A light pulse with wavelength 850 nm passes through a single-mode silica fiber.
(a) Det...
Engineering, 07.03.2020 00:43 rleiphart1
A light pulse with wavelength 850 nm passes through a single-mode silica fiber.
(a) Determine the time spread of the pulse per unit length due to material dispersion if the spectral width is 20 nm.
(b) Repeat if the spectral width is 2 nm.
Answers: 3
Engineering, 04.07.2019 18:10
Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k
Answers: 2
Engineering, 04.07.2019 19:20
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